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Hot news from the Antarctic underground

07 November 2017

Study bolsters theory of heat source under West Antarctica - A new NASA study adds evidence that a geothermal heat source called a mantle plume lies deep below Antarctica's Marie Byrd Land, explaining some of the melting that creates lakes and rivers under the ice sheet.

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Satellites guide ships in ice waters through the cloud

07 November 2017

In late August, the 60 m-long US Coast Guard Cutter Maple completed its navigation through the Arctic's ice-ridden Northwest Passage. While this was not the first time ships had taken this route, it was the first time that the International Ice Patrol had provided iceberg information based exclusively on satellite imagery.

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NASA satellite tracks ozone pollution by monitoring its ingredients

06 November 2017

Ozone pollution near Earth's surface is one of the main ingredients of summertime smog. It is also not directly measurable from space due to the abundance of ozone higher in the atmosphere, which obscures measurements of surface ozone. New NASA-funded research has devised a way to use satellite measurements of the precursor gases that contribute to ozone formation to differentiate among three different sets of conditions that lead to its production.

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Nearly four decades of soil moisture data now available

03 November 2017

A new, long-term and global dataset of soil moisture measurements from space has been released to help us better understand the water cycle and climate, monitor agriculture and manage our water resources.

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Monitoring coastal zones from space

02 November 2017

The resilience of coastal communities depends on an integrated, worldwide coastal monitoring effort. Satellite observations provide valuable data on global to local scales.

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Warm air helped make 2017 ozone hole smallest since 1988

02 November 2017

Measurements from satellites this year showed the hole in Earth's ozone layer that forms over Antarctica each September was the smallest observed since 1988, scientists from NASA and NOAA announced.

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Melting snow aids absorption of carbon dioxide

30 October 2017

It appears that something good can come from something bad. Although rising global temperatures are causing seasonal snow cover to melt earlier in the spring, this allows for the snow-free boreal forests to absorb more carbon dioxide from our atmosphere.

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Google Earth reveals ancient stone gates in Saudi Arabia

23 October 2017

A researcher at The University of Western Australia has used Google Earth imagery to identify almost 400 previously undocumented stone structures known as 'Gates' in Saudi Arabia.

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Forests minimise severe heat waves

23 October 2017

Extensive, mature forest cover can mitigate the impact of severe heat waves, droughts and other weather extremes over large regions, according to new NOAA research published online in the journal Nature Communications.

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Hatfield Consultants provides mapping and monitoring services to African Parks in Garamba National Park, DRC

19 October 2017

Led by Hatfield Consultants, technical experts from Hatfield, Airbus, and Pink Matter Solutions worked with African Parks to provide up-to-date baseline land cover and habitat maps, fire detection and fire scar mapping, and ongoing change detection services. These showed potential to provide valuable information for planning the deployment of ranger patrols and to contribute as a force multiplier. Monitoring of fires and land cover change within the park can reveal areas that should be investigated based on suggestions of human activity and patterns of movement within and around the park.

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Future temperature and soil moisture may alter location of agricultural regions

17 October 2017

Future high temperature extremes and soil moisture conditions may cause some regions to become more suitable for rainfed, or non-irrigated, agriculture, while causing other areas to lose suitable farmland, according to a new U.S. Geological Survey study.

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Ozone layer recovery could be delayed by 30 years

12 October 2017

Rising global emissions of some chlorine-containing chemicals could slow the progress made in healing the ozone layer.

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NASA pinpoints cause of Earth's recent record Carbon Dioxide spike

12 October 2017

A new NASA study provides space-based evidence that Earth's tropical regions were the cause of the largest annual increases in atmospheric carbon dioxide concentration seen in at least 2,000 years.

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Measuring volcanic emissions from space

12 October 2017

Carbon dioxide measured by a NASA satellite pinpoints sources of the gas from human and volcanic activities, which may help monitor greenhouse gases responsible for climate change.

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Secrets of hidden ice canyons revealed

11 October 2017

We are all aware that Antarctica's ice shelves are thinning, but recently scientists have also discovered huge canyons cutting through the underbelly of these shelves, potentially making them even more fragile. Thanks to the CryoSat and Sentinel-1 missions, new light is being shed on this hidden world.

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Public invited to test new tool to study Earth using photos taken by ISS astronauts

03 October 2017

CosmoQuest's Image Detective, a NASA-funded citizen science project, invites the public to identify Earth features in photographs taken by astronauts from the International Space Station (ISS).

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Africa, classified

03 October 2017

From the barren Sahara to lush jungles, the first high-resolution map classifying land cover types on the entire African continent has been released. The map was created using a year's worth of data from the Sentinel-2A satellite.

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NASA damage map aids Puerto Rico hurricane response

28 September 2017

A NASA-produced map showing areas of eastern Puerto Rico that were likely damaged by Hurricane Maria has been provided to responding agencies, including the Federal Emergency Management Agency (FEMA). The hurricane, a Category 4 storm at landfall on Puerto Rico on 20 September, caused widespread damage and numerous casualties on the Caribbean island, an unincorporated U.S. territory with a population of about 3.4 million.

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Large iceberg breaks off Pine Island Glacier

27 September 2017

Latest satellite images reveal a new 100-square-mile iceberg emerging from Antarctica's Pine Island Glacier. The calving event did not come as a complete surprise, but is a troubling sign with regards to future sea level rise.

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Big Antarctic iceberg edges out to sea

22 September 2017

The giant berg A-68 looks finally to be on the move.

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